Home / 1,330,712.40-1,996,360.20-432,001.20

Finding the Fourth Proportional to 1,330,712.40, 1,996,360.20 and 432,001.20

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Solution

The fourth proportional to 1,330,712.40, 1,996,360.20 and 432,001.20 is: 648,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,712.40 : 1,996,360.20 = 432,001.20 : x
  2. Step 2: Convert to fraction form
    1,330,712.40/1,996,360.20 = 432,001.20/x
  3. Step 3: Cross multiply
    1,330,712.40x = 1,996,360.20 × 432,001.20
  4. Step 4: Simplify right side
    1,330,712.40x = 862,430,002,032.24
  5. Step 5: Solve for x
    x = 862,430,002,032.24/1,330,712.40
  6. Step 6: Final answer
    x = 648,096.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.